Location History:
- Shizuoka, JP (1992)
- Fuji, JP (1992 - 1993)
- Higashi-Hiroshima, JP (1990 - 1998)
Company Filing History:
7 out of 4,676 
1 out of 1,021 
1 out of 5 Years Active: 1990-1998
Title: Innovations of Hiroaki Yokota
Introduction
Hiroaki Yokota is a notable inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of automatic transmission systems, holding a total of seven patents. His work has been instrumental in enhancing the efficiency and functionality of automotive technologies.
Latest Patents
One of his latest patents is a control system for automatic transmissions. This system includes a torque converter and a lock-up clutch that directly connects the input and output members of the torque converter. It features a pressure control valve that changes hydraulic pressure to control the engaging force of the lock-up clutch. Additionally, a pressure regulator is included to supply hydraulic pressure to engage a frictional element. This innovative design allows for a reduction in the number of parts without causing any inconvenience. Another significant patent is an automatic transmission control system designed for selectively locking and unlocking multiple frictional coupling elements. This system enables the automatic transmission to shift between various gears efficiently. The control mechanism increases locking pressure during specific gear shifts and reduces it during opposite shifts, optimizing performance.
Career Highlights
Hiroaki Yokota has worked with prominent companies in the automotive industry, including Mazda Motor Corporation and Jatco Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in automatic transmission technology.
Collaborations
Throughout his career, Yokota has collaborated with talented individuals such as Shinya Kamada and Toshihisa Marusue. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Hiroaki Yokota's contributions to automatic transmission systems have significantly impacted the automotive industry. His innovative patents and collaborations reflect his dedication to enhancing vehicle performance and efficiency. His work continues to inspire future advancements in automotive technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.